View file File name : class-wp-optimize-minify-load-url-task.php Content :<?php if (!defined('ABSPATH')) die('Access denied.'); if (!class_exists('Updraft_Task_1_2')) require_once(WPO_PLUGIN_MAIN_PATH . 'vendor/team-updraft/common-libs/src/updraft-tasks/class-updraft-task.php'); class WP_Optimize_Minify_Load_Url_Task extends Updraft_Task_1_2 { /** * Default options. */ public function get_default_options() { return array(); } /** * Run preload http requests with different user-agent values to cache pages for different devices. * * @return bool */ public function run() { $url = $this->get_option('url'); if (empty($url)) return; $minify_preloader = WP_Optimize_Minify_Preloader::instance(); // load pages with different user-agents values. $minify_preloader->preload_desktop($url); $minify_preloader->preload_amp($url); if (defined('WP_CLI') && WP_CLI) { WP_CLI::log($url); } /** * Action triggered after preloading a single url * * @param string $url The url to preload * @param object $minify_preloader Minify preloader instance */ do_action('wpoptimize_after_minify_preload_url', $url, $minify_preloader); /** * Allows to change the delay between each URL preload, to reduce server load. * * @param integer $preload_delay The delay between each request in microseconds (1000000 = 1 second). */ usleep(apply_filters('wpoptimize_minify_preload_delay', 500000)); return true; } }